Weekend TV : A ‘National Geographic’ Look at L.A.’s Sunset Blvd.

Sunset Boulevard, the Los Angeles landmark, is the subject of TBS’ “National Geographic Explorer,” Sunday at 6 p.m. Host Boyd Matson takes a drive up and down the famous avenue, a legendary stretch of glamorous and ethnic neighborhoods, Hollywood nightclubs and winding palisades views.

Haiti, health care and the November elections will be among the topics discussed on the public affairs programs this weekend.